HT7938
Description
HT7938 is high efficiency boost converter with constant current output to provide backlight in handheld devices.
Key Features
- Efficiency up to 85% at VIN=3.6V, 9LEDs
- Tiny inductor and capacitors
- Up to 9 strings White-LED
- Tiny 6-lead SOT23-6 package
- Built in OVP, OCP, OTP, UVLO protection
- 1.2MHz fixed switching frequency
- Low Standby Current: 0.1mA, VEN=0V (typ.)
- Matches LED current
Applications
- Cellular phones
